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10131000223 = 55147183709
BaseRepresentation
bin10010110111101101…
…01100101110011111
3222011001021010122111
421123312230232133
5131222014001343
64353142254451
7506025036541
oct113366545637
928131233574
1010131000223
11432975a463
121b68a27427
13c55b962b6
146c1703691
153e4637c9d
hex25bdacb9f

10131000223 has 4 divisors (see below), whose sum is σ = 10131239080. Its totient is φ = 10130761368.

The previous prime is 10131000221. The next prime is 10131000227. The reversal of 10131000223 is 32200013101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32200013101 = 53607547417.

It is a cyclic number.

It is not a de Polignac number, because 10131000223 - 21 = 10131000221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10131000221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36708 + ... + 147001.

It is an arithmetic number, because the mean of its divisors is an integer number (2532809770).

Almost surely, 210131000223 is an apocalyptic number.

10131000223 is a deficient number, since it is larger than the sum of its proper divisors (238857).

10131000223 is an equidigital number, since it uses as much as digits as its factorization.

10131000223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238856.

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 10131000223 its reverse (32200013101), we get a palindrome (42331013324).

The spelling of 10131000223 in words is "ten billion, one hundred thirty-one million, two hundred twenty-three", and thus it is an aban number.

Divisors: 1 55147 183709 10131000223